Dementia strategies in an aging society: Policies, care, and global insights from the Japanese experience.

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Aging of the population has become a critical challenge globally. The proportion of individuals age 60 years and older is projected to increase from 12% in 2015 to 22% by 2050, representing more than 2.1 billion older adults globally. This demographic transition is advancing particularly rapidly in Japan, which has become the first nation to become a "super-aged society". Projections indicate that by 2060, the number of older adults living with dementia will reach approximately 6.45 million (more than 17% of the elderly population), making it one of the country's most urgent health and social care challenges. Japan has developed a comprehensive response system that integrates medical, community, and family-based care. Key initiatives include a national dementia strategy, mechanisms for early screening and diagnosis, the establishment of memory clinics, and the implementation of the community-based integrated care system, which emphasizes coordination between healthcare and long-term care services. These measures have alleviated part of the burden on patients and families while enhancing social awareness of dementia and inclusion of those with that condition. Nevertheless, Japan continues to face significant structural challenges, such as severe shortages of healthcare personnel and professional caregivers, increasing fiscal pressure on long-term care financing, insufficient dissemination of innovative therapies and digital diagnostic tools, and disparities in social support between urban and rural areas. Cross-national comparisons indicate that Japan's experience offers valuable lessons for other rapidly aging societies, particularly in policy design, the integration of community-based care, and the promotion of a dementia-inclusive society. Summarizing and adapting Japan's approaches may therefore provide globally applicable strategies to build sustainable and equitable systems for dementia prevention, management, and care.

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PurposeThe purpose of this paper is to examine the health sector reform toward 2040 of Japan as a super-aged society.Design/methodology/approachThis paper discusses the current healthcare policies adopted in Japan and projects the challenges in future as a super-aged society.FindingsThrough Japanese experiences, it is considered that Community-based Integrated Care System is useful, which takes into account the perspective of health care users. Being a super-aged society, it is essential for Japan to have more consensus by further removing obstacles, and paying attention to the change of paradigm and the purpose of care.Originality/valueBased on the case of Japan, this paper serves as a reference for other East Asian countries, which would sooner or later encounter the similar situation of becoming super-aged societies in the 21st century.

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